Gekitotsu no Hexennacht - Volume 3, Chapter 12: Flowers Blossom in the World

Chen Che traveled through the strange world of immortality with an overload plug-in.

Every time he enters the overload state, his body will experience some discomfort.

The training speed of the exercises has been improved, and the weak cough.

The speed of boxing comprehension increased, and the arm was red and swollen.

The speed of supernatural power cultivation has increased, and the headache is splitting.

…

Chen Che, who was suffering from an external illness, chose to practice in a low-key manner.

It was not until the first year of Daozong that the new emperor ascended the throne and began to rectify the dynastic order, killing traitors…

Then something unexpected happened!

What?

The father I never met turned out to be a big traitor?

It also affects me to be exterminated by the nine clans?

never mind! Stop pretending!

I see who can kill me!

- Description from novelbuddy

Kōdo Ikusei Senior High School, a leading prestigious school with state-of-the-art facilities where nearly 100% of students go on to university or find employment. The students there have the freedom to wear any hairstyle and bring any personal effects they desire. Kōdo Ikusei is a paradise-like school, but the truth is that only the most superior of students receive favorable treatment.

The protagonist Kiyotaka Ayanokōji is a student of D-class, which is where the school dumps its “inferior” students in order to ridicule them. For a certain reason, Kiyotaka was careless on his entrance examination, and was put in D-class. After meeting Suzune Horikita and Kikyō Kushida, two other students in his class, Kiyotaka’s situation begins to change.

Ajax was an orphan who survives a massacre along with his friends but unfortunately gets separated from them.

Fortunately, after a turn of events, he successfully gains a system which helps him increase his cultivation, but doesn't know what it is called.

But he knows one thing for sure, this system is very powerful and helpful in taking his revenge.

“Whoever you are, I am gonna find you”, Ajax mumbled himself with a disgruntled expression.

In a world where Summoning of an elemental spirit is done through a dream when they are 15 years old, Ajax with the help of a system and his summoned spirits sets out on a journey to seek revenge against the mastermind behind the massacre.

When he did not know her true identity, he treated her very badly, he disliked her too much, she was not elegant enough, she was in the way...Only later did he realize that the woman was his legal wife! He repented, tried to recover her feelings, but she was determined to divorce him.